by Alex Verboon
Hello there, In this blog post we look at a new setting within the Azure AD portal. “Users can create Azure AD tenants“. Unfortunately, the setting is enabled by default. Not sure why, but I guess most organizations will want Read More …
To avoid unplanned costs for Microsoft Sentinel, it is recommended to set a daily cap and create an analytics rule that triggers an alert when the daily cap is reached. Microsoft has published general guidance for monitoring costs here In Read More …
Hello there, In today’s blog post I want to share with you an advanced hunting query to detect audit policy modifications using Microsoft Defender 365 advanced hunting. Following the MITRE ATT&CK framework this would be T1484.001 Domain Policy Modification: Group Read More …
In an ideal world all of our devices are fully patched and the Microsoft Defender antivirus agent has the latest definition updates installed. Unfortunately reality is often different. When using Microsoft Endpoint Manager we can find devices with outdated definition Read More …
Today I received an e-mail from a customer explaining to me that at times they have false positives with e-mail Impersonation. Depending on your configuration the e-mail will end up being moved to the user’s junk folder or into quarantine. Read More …
I was recently writing some advanced hunting queries for Microsoft Defender ATP to search for the execution of specific PowerShell commands. If you are just looking for one specific command, you can run query as sown below But if you Read More …
Hello everyone, during the past months I took a closer look at MITRE ATT&CK to advance my hunting skills using Microsoft Defender Advanced Threat Protection. For those not familiar with MITRE ATT&CK, in short, it is a knowledge base knowledge Read More …
Note: I have updated the kql queries below, but the screenshots itself still refer to the previous (old) schema names If you’re among those administrators that use Microsoft Defender Advanced Threat Protection, here’s a handy tip how to find out Read More …